EBGP

 BGP

Command: 

#router bgp <asn> 
#neighbor <Gateway> remote-as <nomor> 

#network <network ip> mask <netmask>

e.g:

#router bgp 100 
#neighbor 20.20.20.1 remote-as 200 

#network 192.168.1.0 mask 255.255.255.0